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Grain refinement of bronze alloy by equal-channel angular pressing(ECAP) and its effect on corrosion behaviour 被引量:4

Grain refinement of bronze alloy by equal-channel angular pressing(ECAP) and its effect on corrosion behaviour
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摘要 The corrosion behaviour of bronze alloy prepared by equal channel angular pressing(ECAP) was investigated in 3.5 wt. % Na Cl solution.Immersion corrosion tests and different electrochemical techniques were carried out. The results showed that ECAPed bronze samples exhibited higher corrosion resistance compared with the as-cast alloy and the passive current density decreased with increasing number of passes. Moreover,the morphology of alloys indicated that the corrosion damage on the surface of ECAPed bronze was smooth and uniform while the as-cast alloy suffered from selective corrosion. The corrosion behaviour of bronze alloy prepared by equal channel angular pressing (ECAP) was investigated in 3.5 wt. % NaCl solution. Immersion corrosion tests and different electrochemical techniques were carried out. The results showed that ECAPed bronze samples exhibited higher corrosion resistance compared with the as-cast alloy and the passive current density decreased with increasing number of passes. Moreover, the morphology of alloys indicated that the corrosion damage on the surface of ECAPed bronze was smooth and uniform while the as-cast alloy suffered from selective corrosion.
出处 《Defence Technology(防务技术)》 SCIE EI CAS CSCD 2016年第4期316-323,共8页 Defence Technology
关键词 BRONZE ECAP Corrosion resistance Passive film PITTING Bronze ECAP Corrosion resistance Passive film Pitting
作者简介 Corresponding author. Tel.: +0201113302663. E-mail address:mosaadsadawy@yahoo.com
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